Super-precision Angular Contact Ball Bearings

7009 ACE/HCP4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7009 ACE/HCP4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 45 mm bore diameter, a 75 mm outer diameter, and a 16 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

Technical Specifications

Overview
Part Number7009 ACE/HCP4A
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows1
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-speed E Design
Universally MatchableNo
Axial Clearance / PreloadNot Applicable
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)45 mm
Width (B)16 mm
Outer Diameter (D)75 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)12.1 kN
Basic Static Load Rating C₀ (kN)8.15 kN
Limiting Speed – Grease (r/min)29000 r/min
Limiting Speed – Oil-air (r/min)45000 r/min
Material
Weight (kg)0.209 kg
CAD Drawing and Dimensions for 7009 ACE/HCP4A Super-precision Angular Contact Ball Bearings 7009 ACE/HCP4A 75 mm 45 mm 16 mm

Frequently Asked Questions about 7009 ACE/HCP4A Super-precision Angular Contact Ball Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

Built for demanding industrial environments, the 7009 ACE/HCP4A Super-precision Angular Contact Ball Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
To match diverse operational dynamics, CHG Bearing supplies 7009 ACE/HCP4A with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Model 7009 ACE/HCP4A is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 45 mm) and steep thermal gradients between inner and outer rings.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 7009 ACE/HCP4A, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
7009 ACE/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing 7009 ACE/HCP4A 75 mm 45 mm 16 mm